Variance Calculator
Results
Sample Variance (s²)
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Population Variance (σ²)
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Standard Deviation (s)
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Mean (Average)
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What is Variance?
Variance measures how far a set of numbers is spread out from their average value.
Sample Variance vs Population Variance: Use Sample Variance when your data represents a subset of a larger population. Use Population Variance when your data represents the entire group being studied.